Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-14 Thread Bill Byrom
An improved technique using the 3.579(54) MHz NTSC color burst frequency distribution was described in this NBS circular a year or so later (1972, believe): http://tf.boulder.nist.gov/general/pdf/1601.pdf I was a General class ham (then WA5ZBJ) just entering the UT Austin EE school in 1972. I ha

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-12 Thread Glenn Little WB4UIV
The house standard in some stations are no more than LC oscillators. As long as the relative timing between signals is constant, you can do synchronous switching. All signals go through as dedicated frame synchronizer that is synchronized to house reference. At the last station that I worked at,

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-12 Thread Hal Murray
> And the decade before that the hp house standard looked like this: Has anybody made a graph of the accuracy of house standards over time? I'm looking for something like Moore's Law. -- These are my opinions. I hate spam. ___ time-nuts mailing

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-12 Thread Tom Van Baak
vember 12, 2015 6:23 AM Subject: Re: [time-nuts] Time syncing WiFi routers using FM radio > > > On 11/12/2015 12:04 AM, Hal Murray wrote: >> >> I think it was HP that measured the signal in the Silicon Valley area. NBS >> published and distributed the offset. >>

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-12 Thread Richard (Rick) Karlquist
On 11/12/2015 12:04 AM, Hal Murray wrote: I think it was HP that measured the signal in the Silicon Valley area. NBS published and distributed the offset. Does anybody remember that booklet? Did I get the story reasonably accurate? When I was hired by HP in 1979, my new boss (who was the

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-12 Thread Tim Shoppa
I think the TV-network-synchronization NBS article you are talking about, is this: http://tf.nist.gov/general/pdf/237.pdf Tim N3QE On Thu, Nov 12, 2015 at 3:04 AM, Hal Murray wrote: > > kb...@n1k.org said: > > For time sync, broadcast signals are a pretty well studied topic. Sync > > signals fr

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-12 Thread Hal Murray
kb...@n1k.org said: > For time sync, broadcast signals are a pretty well studied topic. Sync > signals from TV stations are a much better ... Many years ago, I think it was late '70s, a friend showed me a blurb from NBS. They were distributing time by piggybacking on NBC's signal. NBC had at

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-11 Thread Tom Miller
power GPS signal would be a better future? - Original Message - From: "Mark Sims" To: Sent: Wednesday, November 11, 2015 11:59 AM Subject: [time-nuts] Time syncing WiFi routers using FM radio Something tells me these guys haven't a clue... http://www.theregister.c

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-11 Thread Bob Camp
at different > locations? > > Bob > > From: Mark Sims > To: "time-nuts@febo.com" > Sent: Wednesday, November 11, 2015 10:59 AM > Subject: [time-nuts] Time syncing WiFi routers using FM radio > > Something tells me thes

Re: [time-nuts] Time syncing WiFi routers using FM radio

2015-11-11 Thread Bob Stewart
-path issues at different locations? Bob From: Mark Sims To: "time-nuts@febo.com" Sent: Wednesday, November 11, 2015 10:59 AM Subject: [time-nuts] Time syncing WiFi routers using FM radio Something tells me these guys haven't a clue... http://www.theregis

[time-nuts] Time syncing WiFi routers using FM radio

2015-11-11 Thread Mark Sims
Something tells me these guys haven't a clue... http://www.theregister.co.uk/2015/11/11/boffins_teach_routers_to_tune_in_and_dance/ ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.